20781594

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{37243}}^1$

素因数の和:37282

約数の個数: 24

約数和(自身を含む): 46480512

約数和(自身を除く): 25698918

約数列:

[1, 2, 3, 6, 9, 18, 31, 62, 93, 186, 279, 558, 37243, 74486, 111729, 223458, 335187, 670374, 1154533, 2309066, 3463599, 6927198, 10390797, 20781594]

約数ペア:

[(1, 20781594), (2, 10390797), (3, 6927198), (6, 3463599), (9, 2309066), (18, 1154533), (31, 670374), (62, 335187), (93, 223458), (186, 111729), (279, 74486), (558, 37243)]